<?php

class ArticleController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//article/column3';
    public function init()
    {
        parent::init();
        $this->R->module = '文章管理';
    }
	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
        $this->R->action = '添加文章';
		$model=new Article;
        $model->UID = Yii::app()->user->id;
		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Article']))
		{
			$model->attributes=$_POST['Article'];
			$model->Status = 1;
			$model->UpdateTime = date('Y-m-d H:i:s');
            $result = $this->makeHtml($model);
            $model->Path = $result['Path'];
			if ($model->save() && $result['result'])
            { 
                $this->R->detail = $_POST['Article']['Title'];
                $this->R->success = true;
                $this->R->flush(false);
				$this->redirect(array('view','id'=>$model->ID));
            }
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
        $this->R->action = '更新文章';
		$model=$this->loadModel($id);
        $this->R->detail = $model->Title;
		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Article']))
		{
			$model->attributes=$_POST['Article'];
            @unlink($model->Path); 
            $result = $this->makeHtml($model);
            $model->Path = $result['Path'];
			if ($model->save() && $result['result'])
            {
                $this->R->success = true;
                $this->R->flush(false);
				$this->redirect(array('view','id'=>$model->ID));
            }
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
        $this->R->action = '删除文章';
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
            $model = $this->loadModel($id);
            $this->R->detail = $model->Title;
            if ($model->delete())
            {
                $this->R->success = true;
                $this->R->flush(false);
            }

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
            {
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
            }
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{

        $model=new Article('search');
		$model->unsetAttributes();  // clear any default values
        $model->UID = Yii::app()->user->id;
		if(isset($_GET['Article']))
			$model->attributes=$_GET['Article'];

		$this->render('index',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=Article::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='article-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
	/**
	 * 生成静态页面.
	 * @param CModel the model to be validated
	 */
    public function makeHtml($model)
    {  
            $dir = "user/".Yii::app()->user->id;
            @mkdir($dir,0777,true);
            $shtml_name = time().'_'.Yii::app()->user->id.'.htm';
            $model->Path = $dir.'/'.$shtml_name;
            $str = file_get_contents('tpl/article.tpl');
            $str = str_replace('{!title}',$model->Title,$str);
            $str = str_replace('{!content}',$model->Content,$str);
            return array('Path'=>$model->Path,'result'=>file_put_contents($model->Path,$str));
    }
}
